SLYWAY     http://www.slywayprojects.com/
 
TREVI-BIKE     http://www.trevi-bike.com/
 
KMX Karts     http://www.kmxkarts.co.uk/
 
CHALLENGE      http://www.challenge-recumbents.com/
 
HPVELOTECHNIK      http://www.hpvelotechnik.com/
 
INSPIRED CYCLE ENGINEERING      http://www.icetrikes.co/
 
M5-LIGFIESTEN       http://www.m5-ligfietsen.nl/
 

Bici reclinate Italia    http://bicireclinateitalia.forumfree.it/
 
Propulsione umana    http://www.propulsioneumana.it/
   
Fleet Trikes      http://www.fleettrikes.com/index.htm
   
Trike Asylum      http://trikeasylum.wordpress.com/